Determine whether the equation defines y as a function of x. y = x2
A. function
B. not a function
Answer: A
Mathematics
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Decide whether the sets are equivalent.{?} and {x : x is a state in the U.S. with a minimum voting age of 64}
A. No B. Yes
Mathematics
Use a graphing utility to find or approximate the x-intercepts of the graph of the quadratic function.y = 9k2 - 62k - 7
A. 
, (7, 0)
B. (-9, 0), (7, 0)
C. 
, 
D. 
, (9, 0)
Mathematics
Perform the indicated conversion within American units of length.6 ft 8 in. = 
in.
A. 80 in. B. 14 in. C. 102 in. D. 74 in.
Mathematics
Use the graph to solve the equation.Use the graph of y = -x2 + 5x - 4 below to solve the equation -x2 + 5x - 4 = 0
A. 1 B. 4 C. 1, 4 D. -1, -4
Mathematics